adds tests against latest ruby engines
adds tests against latest ruby engines
guizmaii/resque-scheduler,playtestcloud/resque-scheduler,carsonreinke/resque-scheduler,guizmaii/resque-scheduler,playtestcloud/resque-scheduler,resque/resque-scheduler,guizmaii/resque-scheduler,playtestcloud/resque-scheduler,carsonreinke/resque-scheduler,resque/resque-scheduler,resque/resque-scheduler,carsonreinke/resque-scheduler